First Commit

3rdparty/shaderc/glslc/test/assembly.py

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+# Copyright 2015 The Shaderc Authors. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import expect
+from glslc_test_framework import inside_glslc_testsuite
+from placeholder import FileShader
+
+
+def assembly_comments():
+    return """
+    ; SPIR-V
+    ; Version: 1.0
+    ; Generator: Google Shaderc over Glslang; 11
+    ; Bound: 6
+    ; Schema: 0"""
+
+
+def empty_main_assembly():
+    return assembly_comments() + """
+         OpCapability Shader
+    %1 = OpExtInstImport "GLSL.std.450"
+         OpMemoryModel Logical GLSL450
+         OpEntryPoint Vertex %4 "main"
+         OpSource ESSL 310
+         OpName %4 "main"
+    %2 = OpTypeVoid
+    %3 = OpTypeFunction %2
+    %4 = OpFunction %2 None %3
+    %5 = OpLabel
+         OpReturn
+         OpFunctionEnd"""
+
+
+def empty_main():
+    return '#version 310 es\nvoid main() {}'
+
+
+@inside_glslc_testsuite('SpirvAssembly')
+class TestAssemblyFileAsOnlyParameter(expect.ValidNamedObjectFile):
+    """Tests that glslc accepts a SPIR-V assembly file as the only parameter."""
+
+    shader = FileShader(empty_main_assembly(), '.spvasm')
+    glslc_args = [shader]
+    expected_object_filenames = ('a.spv',)
+
+
+@inside_glslc_testsuite('SpirvAssembly')
+class TestDashCAssemblyFile(expect.ValidObjectFile):
+    """Tests that -c works with SPIR-V assembly file."""
+
+    shader = FileShader(empty_main_assembly(), '.spvasm')
+    glslc_args = ['-c', shader]
+
+
+@inside_glslc_testsuite('SpirvAssembly')
+class TestAssemblyFileWithOnlyComments(expect.ValidObjectFile):
+    """Tests that glslc accepts an assembly file with only comments inside."""
+
+    shader = FileShader(assembly_comments(), '.spvasm')
+    glslc_args = ['-c', shader]
+
+
+@inside_glslc_testsuite('SpirvAssembly')
+class TestEmptyAssemblyFile(expect.ValidObjectFile):
+    """Tests that glslc accepts an empty assembly file."""
+
+    shader = FileShader('', '.spvasm')
+    glslc_args = ['-c', shader]
+
+
+@inside_glslc_testsuite('SpirvAssembly')
+class TestDashEAssemblyFile(expect.SuccessfulReturn, expect.NoGeneratedFiles):
+    """Tests that -E works with SPIR-V assembly file."""
+
+    shader = FileShader(empty_main_assembly(), '.spvasm')
+    glslc_args = ['-E', shader]
+
+
+@inside_glslc_testsuite('SpirvAssembly')
+class TestDashSAssemblyFile(expect.SuccessfulReturn, expect.NoGeneratedFiles):
+    """Tests that -S works with SPIR-V assembly file."""
+
+    shader = FileShader(empty_main_assembly(), '.spvasm')
+    glslc_args = ['-S', shader]
+
+
+@inside_glslc_testsuite('SpirvAssembly')
+class TestMultipleAssemblyFiles(expect.ValidObjectFile):
+    """Tests that glslc accepts multiple SPIR-V assembly files."""
+
+    shader1 = FileShader(empty_main_assembly(), '.spvasm')
+    shader2 = FileShader(empty_main_assembly(), '.spvasm')
+    shader3 = FileShader(empty_main_assembly(), '.spvasm')
+    glslc_args = ['-c', shader1, shader2, shader3]
+
+
+@inside_glslc_testsuite('SpirvAssembly')
+class TestHybridInputFiles(expect.ValidObjectFile):
+    """Tests that glslc accepts a mix of SPIR-V assembly files and
+    GLSL source files."""
+
+    shader1 = FileShader(empty_main_assembly(), '.spvasm')
+    shader2 = FileShader(empty_main(), '.vert')
+    shader3 = FileShader(empty_main(), '.frag')
+    glslc_args = ['-c', shader1, shader2, shader3]
+
+
+@inside_glslc_testsuite('SpirvAssembly')
+class TestShaderStageWithAssemblyFile(expect.ErrorMessage):
+    """Tests that assembly files don't work with -fshader-stage"""
+
+    shader = FileShader(empty_main_assembly(), '.spvasm')
+    glslc_args = ['-c', '-fshader-stage=vertex', shader]
+
+    expected_error = [
+        shader, ": error: #version: Desktop shaders for Vulkan SPIR-V require "
+        "version 140 or higher\n",
+        shader, ":2: error: 'extraneous semicolon' :",
+        " not supported for this version or the enabled extensions\n",
+        shader, ":2: error: '' :  syntax error, unexpected IDENTIFIER\n",
+        '3 errors generated.\n']
+
+
+@inside_glslc_testsuite('SpirvAssembly')
+class TestStdWithAssemblyFile(expect.ValidObjectFile):
+    """Tests that --std= doesn't affect the processing of assembly files."""
+
+    shader = FileShader(empty_main_assembly(), '.spvasm')
+    glslc_args = ['-c', '-std=310es', shader]